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Circuit Testers
Showing In Stock Items. Show All 43 Items.
Power Probe PP3CS Digital Voltmeters
Power Probe PP3CS digital voltmeters provide you with a voltmeter and continuity tester with audible and visual indicators, plus two LED headlights to light up your work area. The PP3 units use a 20 ft. cable which attaches to the vehicle's battery, allowing you to perform an electrical test anywhere in or around the vehicle. The circuit tester uses the vehicle's battery to supply 12 V to 24 V of circuit breaker protected power or ground to activate components, and the probe tip can be removed to adapt to any 4mm lead. Using an auxiliary ground cable, the user can simultaneously supply battery voltage and ground to test components or to simply test for continuity. Power Probe PP3CS digital voltmeter circuit testers are valuable time-savers, perfect for every level technician. Key features, specs, and benefits: * Voltage and polarity testing * Continuity testing * Activating components out of the vehicle's electrical system, as well as in the vehicle * Activating electrical components with ground * Great for testing trailer lights and connections * Checking for bad ground contacts for troubleshooting issues * Red/Green indicator and audio tone * Frequency response of tone pass through 10 HZ to greater than 10 kHz * PP display: 15 Hz and 35 Hz Sine Wave Power Probe Mode–continuity to ground: * First level: display is enabled less than 20k megaohms * Second level: Green LED is enabled less than 600 megaohms and +Peak detector response * Single event capture less than 200ms pulse width * Repetitive events less than 1ms pulse width Peak-to-Peak mode: * 0 to +70 + 1 digit * Hz to over 500 kHz square wave input * 4 Hz to over 250 kHz sine wave input * The threshold for PPAC/Audible passthrough * Circuit breaker 8 amp thermal response–manual reset
( 2 )
$174.21
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$180.16
Power Probe 4 Master Combo Kits
Power Probe 4 Master combo kits combine the Power Probe 4, PPECT3000 and various accessories to provide the ultimate combination of diagnostic and circuit-testing capabilities. These kits offer simplified testing of motors, lights, relays, sensors—even fuel injectors! And, like all Power Probe circuit-testers, these 4 Master combo kits supply power and ground for efficient, functional component-testing on or off the vehicle. Features, specs and benefits: * Self-resetting thermal 8 amp circuit breaker * Multiple DC V readings on the same display * Ohm meter provides active feedback * 12 V to 24 V range * Bad ground indicator * Continuity and component tester * AC-RMS, AC Peak-to-Peak, frequency and pulse width indicators are available for signal testing * Fuel injector tester for easy circuit diagnosis * PCM/ECM Driver supplies safe voltage for testing computer driver circuits * PPECT mode for signal detection of open circuits * Active LED lighting for illuminating workspace * Power cable length of 23 ft. * Storage case included
( 1 )
$606.01
Power Probe III Testers with Accessory Kit
These Power Probe III testers with accessory kit have multiple features and can be used to test short circuits, relay and components, continuity, and bad grounds. They have an easy-to-read backlit voltmeter, which allows you to read voltage at the tip, eliminating wasted time running to your toolbox for a voltmeter. The testers use gold plated, rugged connectors that guarantee a secure hookup every time. When you connect the Power Probe III testers with accessory kit to your vehicle's battery, you have a multitude of testers at your fingertips. Press the rocker switch forward, and you'll have a hot lead for powering up electrical components like cooling fans and relays. Press the switch rearward, and you will have an instant ground lead. You can simultaneously use the hot lead and ground lead to activate components right in your hand. The polarity testers instantly identify positive, negative, and open circuits without having to re-polarize or reconnect hookup clips, like ordinary test lights.
( 31 )
$233.71
Power Probe IV Testers
You'll wonder how you ever did electrical troubleshooting before! Power Probe IV testers will greatly increase how fast you can set up and diagnose a problem. They feature a large color LCD screen with an easy-to-navigate user menu, and the PCM/ECM driver supplies safe voltage for testing computer driver circuits. Enjoy the advantage of having an ohm meter, circuit, AC voltage, and frequency tester, all in one tool. The Power Probe 4 testers will be the first thing you grab for electrical issues, and they are must-haves for any mechanic.
( 4 )
$356.96
Power Probe III Combo Kits
Power Probe III and lead set combos offer simplicity, with many adapters and connectors, making them truly the ultimate circuit testers! These combos have all of the benefits of the Power Probe I and II, plus a voltmeter and a built-in banana jack for lead set accessories for unparalleled diagnostic power. Clear your tool bench for the only diagnostic tools you'll use--Power Probe III and lead set combos. Power Probe III and lead set combos include: * Cigarette lighter adapter * 3 in. probe tip * Battery hook-up clips * 20 ft. extension lead * 2 piercing probes * Alligator clip adapter * 6 ft., 3 ft., and 1 ft. cables * Male and female adapters
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$225.21
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$317.01
Klein Tools Advanced Circuit Tracer Kit
The Klein Tools ET450 Advanced Circuit Tracer Kit is a professional tracer for energized and non-energized breakers, fuses, and wires. When the Transmitter is connected to a circuit, the Receiver's sensitivity can easily be adjusted to detect the transmitted signal on breakers, fuses, and wire through drywall, cement block, and underground. Each kit comes with transmitter, receiver, blade and ground prongs, alligator clips, 3 ft. and 20 ft. lead adapters, AC plug leads, instructions, all required batteries, and a hard carrying case with handle for convenient transportation and storage. Additional notes: * Versatile applications include tracing wires, conduit or pipes, or a single wire in a bundle * Audible beep and visual indicators on receiver denotes signal strength * Receiver features a flashlight for illumination in low-light areas and NCV function to test if wires are energized * Transmitter has AC/DC external voltage indicators of 12 V, 48 V, 120 V, 240 V, and 480 V
( 1 )
$299.99
Performance Tool LCD Digital Circuit Testers
Performance Tool LCD digital circuit testers allow you to conduct circuit tests with increased accuracy and ease. These economic testers are ideal to detect power, voltage, ground, and circuit integrity. They feature an LED back light that indicates red for power and green for ground and surge protected circuitry displays DC voltage from 3 to 48 volts with ± 0.3 V accuracy. Don't guess at voltage—choose the value and efficiency of Performance Tool LCD digital circuit testers.
( 10 )
$27.99
Innova Circuit Test Lights
Innova circuit test lights will quickly identify if there is voltage present on wiring and circuits. The electrical testers have a unique transparent handle that shows bright LEDs to identify your connections: Green means ground present and red means voltage present. The circuit testers have 6 ft. test leads and a comfortable, easy-to-grip ergonomic design. Innova circuit test lights are simple to use and super-handy for your automotive diagnostics.
( 3 )
$13.99
Power Probe Master Combo Kits
These Power Probe master combo kits allow you to perform every type of service, including power injection, measurement, ground testing, polarity checks, and continuity testing. They include the Power Probe III, ECT2000, LS01, new improved adapters, and an easy-to-read back lit voltmeter.
( 3 )
$488.71
Lisle Heavy-Duty Circuit Testers
Lisle heavy-duty circuit testers were designed for lifetime use. The probe, handle, cord, and clamp are reinforced for extra durability. They also feature a strain relief spring on the cord. If you don't want to keep buying those cheap circuit testers, make sure that you choose a Lisle heavy-duty circuit tester for all of your long-term needs.
( 4 )
$14.99
Power Probe The Maestro
The Maestro by Power Probe is multi-use circuit-tester with built-in diagnostic power. This tool simplifies the testing of fuse boxes, and verifies correct operation of motors, lights, relays, sensors, wires, and communication-circuits. The large LCD color display makes for easy viewing in direct sunlight or complete darkness. The Maestro wirelessly pairs with Power Probe's TEK app--allowing for a wireless remote display, as well as data streaming or recording. All of this information can be emailed, exported, or simply saved for future reference. The Power Probe TEK app is available for iOS and Android platforms. Maestro kits include alligator clip, clip set, and 4 in. probe tip.
( 1 )
$416.46
Lisle Computer Safe Circuit Testers
Lisle computer safe circuit testers are safe for automotive computers and won't damage sensitive electronic components. They also draw less than 21 mA at 12 V DC and feature an operating range of 3-28 V. They also include a red light that indicates positive polarity and a green light that indicates negative polarity. Test your computer safely with a Lisle computer safe circuit tester.
( 5 )
$15.99
Power Probe 3EZ Digital Voltmeters
Power Probe 3EZ digital voltmeters are circuit testers that can provide diagnostic power with the flip of a switch. This tool simplifies the testing of fuse boxes, verifies correct operation of motors, lights, relays, and wires. It features a navigation menu and two menu options: EZ Learning and EZ Diagnostics. Additional product details: * Easy Learning: Teaches a new user how to use the functions in the tool * Easy Diagnostics: Guides a user through simple tests, such as battery testing, charging system testing, fuse testing, and voltage checks. Simply scan the QR Code with your smart device, which will link to a video to guide the user to perform these tests * LCD display provides easy-to-see readings with a simple navigation menu to get to what you need fast * Upside down? No Problem! With a new flip screen feature, you can see screen readings while holding the tool upside down * Safety first: The 8 amp thermal circuit breaker provides protection while powering up components, relays or circuits, while still allowing inrush current for larger draw components * Menu-driven screen makes navigating a breeze for easier diagnosing of electrical issues * PP3EZ is an essential all-in-one electrical tool, with DC voltmeter, MIN, MAX, and Peak to Peak mode—along with audio signal capability (AC threshold).
Not Yet Reviewed
$208.21
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$267.71
Performance Tool Deluxe 12 V Circuit Testers
To check your 12 V accessory circuits for use on your automobile, truck, trailer, or boat, just use one of these deluxe 12 V circuit testers from Performance Tool. These handy circuit testers can help you locate trouble spots quickly and easily. They incorporate a sharp probe, a lengthy test lead with an alligator clip, and a high-visibility bulb into a compact, ergonomic design for easy testing.
( 2 )
$4.99
OEM Automotive Tools Wire Piercing Circuit Testers
OEM Automotive Tools wire piercing circuit testers are one-handed circuit testers. They feature a bright, high-intensity bulb for easy visibility with a 12 ft. heat and oil-resistant coiled cord for long-lasting durability. Their long-nose design allows them to reach under the dash with a sharp stainless steel probe. These OEM Automotive Tools circuit testers work on 6 or 12 V systems and hang onto the wire with a heavy-duty grounding clamp to free up both of your hands.
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$28.99
Performance Tool Heavy-Duty Circuit Testers
Performance Tool heavy-duty circuit testers feature a heavy-duty test lead with a spring that prevents damage to the test lead and the base of the handle. They are capable of testing 6, 12, and 24 V AC and DC circuits. Performance Tool heavy-duty circuit testers are the perfect tools to have around any automotive shop when working on electrical systems.
( 3 )
$9.99
Astro Pneumatic Tool Company Cordless Circuit Testers
Astro Pneumatic cordless circuit testers do not require a ground cable or clamp. Just touch something that acts as a ground (bare metal part on a car) and use the probe to test for power. They are safe to use on ECM sensors, transducers, air bags, and much more. Designed for use on DC-powered circuits with voltages between 3 and 28 V. The testers feature a specially designed V-tip needle that allows for safe piercing and prevents side slipping when piercing the wires' insulation. These circuit testers are manufactured from rugged chrome steel, and the unique V-tip can be removed to test those hard-to-reach places.
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$13.99
OEM Automotive Tools Relay Circuit Testers
OEM Automotive Tools relay circuit testers include five popular relay leads and one universal lead. They are made of superior-quality materials to ensure long-lasting durability and performance and come in a blow-molded case to keep them from getting damaged while not in use. If you're in need of a high-quality set of relay circuit testers, OEM Automotive Tools has you covered.
Not Yet Reviewed
$199.00
Klein Tools Dual Range Non-Contact Voltage Testers
Klein Tools dual range non-contact voltage testers are available individually or in kits packaged with different Klein receptacle testers. All the voltage tester pens are dual range with a simple, intuitive user interface that makes it easy to change between voltage detection ranges. The pens may have a flashlight or laser pointer, and the receptacle testers may be for standard and/or GFCI outlets--you choose the kit best to fill your work needs. Klein provides several NCVT options to equip professionals and their tool bags. Additional features: * Detects/indicates low voltage and standard voltage allowing broad application * Auto power-off feature conserves and extends battery life * Lightweight, durable construction; convenient pocket clip * Safety Rating: CAT IV 1000 V * Audible, visual alarms * AAA batteries included
Not Yet Reviewed
$27.97
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$39.97
Klein Tools Scout Pro 3 Tester Starter Kits
Klein Tools Scout Pro 3 tester starter kits locate and test coax, data, and telephone cables to verify accurate cable installations every time. These next-generation, versatile voice/data/video testers make it easier for professionals to test VDV cables with a large backlit display and simplified, intuitive user interface. Combined with their improved durability, you will find Klein Scout Pro 3s perfect for testing VDV cables. Starter kits include: * Scout Pro 3 Tester * Self-storing remote * Five LanMap RJ45 locator remotes * Five CoaxMap F-connector locator remotes * Coax F-connector * manual and 9 V battery Features: * Test voice (RJ11/12), data (RJ45), and video (coax F-connector) cables * Measure cable length up to 2,000 ft. * Backlit LCD screen displays cable length, wire map, cable ID, and test results * Self-Storing Test+Map remote * Test for open, short, miswire, or split-pair faults * Hub blink mode to identify port location on a hub or a switch * LanMap and CoaxMap location remotes to map and ID multiple cable runs in a single step * Voltage warning, shield detection, auto power-off, and low battery indicator * Trace cables, wire pairs, and individual conductor wires with analog probe VDV500-123 (sold separately)
Not Yet Reviewed
$99.90
Allstar Performance Test Lights
Allstar Performance test lights allow you to quickly diagnose electrical problems by testing for current in electrical circuits, relays, fuses, and switches. Quality-made, these hand-held test light tools have a 36 in. lead wire with an insulated clip which fastens to a common ground and a sharp piercing point to probe insulated wire or terminals. The indicator light will illuminate, identifying powered circuits in 6 V to 12 V systems.
Not Yet Reviewed
$6.89
Cal-Van Tools Relay Circuit Pro Testers
Cal-Van Tools Relay Circuit Pro testers can examine an entire circuit, from the battery to the component in question, as well as determining if the relay itself is functioning properly. Relay Circuit Pro units give technicians the ability to instantly determine the problem within a tested circuit. They will identify, at the push of a button, if a wire, a part, or a relay is defective without the use of a multimeter. If the technician wishes to gain more information about the problem, the tool also features easily accessible ports for use with other diagnostic tools. And since the testers can jump the relay, the technician can use them as remote control starters in engine work, like compression testing a distributor, camshaft adjusting, or to run the compressor during an A/C charge. Cal-Van patent-pending Relay Circuit Pro testers will work with both 12 V and 24 V systems, and each of them include 6 popular relay leads and a universal relay lead packed inside blow-molded cases with high-density foam inserts.
Not Yet Reviewed
$149.99
Klein Tools Non-Contact Voltage Testers
Klein Tools non-contact voltage testers detect voltage in cables, cords, circuit breakers, lighting fixtures, switches, and many other locations. The voltage tester's high intensity, bright green LED indicates the tester is operational, and aids in illuminating the workspace area. When voltage is detected, a high intensity, bright red LED illuminates, and sets off an audible warning tone. Additional features of Klein non-contact voltage testers include: * Durable polycarbonate plastic resin construction * Lightweight compact design with a convenient clip to fit securely in your pocket * Provides 2 meter plus drop protection * Digital on/off power button for easy control * CAT IV 1000 Volt safety rating provides expanded operation and protection * 50 to 1000 Volt AC power operating range allows broad application * Auto power-off feature conserves and extends battery life * Includes manual/instructions, and batteries for operation * Conforms to CE requirements
Not Yet Reviewed
$30.97
Klein Tools Receptacle Testers
Klein Tools receptacle testers detect the most common wiring problems in standard receptacles. A convenient chart and LED light sequence on the tester help to determine correct/incorrect wiring condition in the outlet. Features: * Conditions indicated: wiring correct, open ground, reverse electrical outlet, open hot, open neutral, and hot/ground reversed * Conditions not indicated: quality of ground, multiple hot wires, combinations of defects, and reversal of grounded and grounding conductors * Conforms to UL Standard 1436, Certified to CSA Standard C22.2 #160 * Built to withstand a 6.6 ft. (2m) drop * Operating temperature: 32 to 140 degrees F (0 to 40 degrees C) * Nominal voltage: 110/125 V AC at 50/60Hz in 3-wire outlet
Not Yet Reviewed
$10.97
